Antigen production is only one aspect of immune response. That fades—reinfection is the norm with coronaviruses, even (I think) if there is no consequential evolution. Add that and it’s worse.
But B cells, T cells, etc seem to be keeping up protection against severe disease though that slipped a bit, too.
Antigen production is only one aspect of immune response. That fades—reinfection is the norm with coronaviruses, even (I think) if there is no consequential evolution. Add that and it’s worse.
But B cells, T cells, etc seem to be keeping up protection against severe disease though that slipped a bit, too.
Antigen production is only one aspect of immune response. That fades—reinfection is the norm with coronaviruses, even (I think) if there is no consequential evolution. Add that and it’s worse.
But B cells, T cells, etc seem to be keeping up protection against severe disease though that slipped a bit, too.